import Vue from 'vue'
import router from './router'
import store from './store'

import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import notification from 'ant-design-vue/es/notification'
import { setDocumentTitle, domTitle } from '@/utils/domUtil'
import { ACCESS_TOKEN } from '@/store/mutation-types'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['login', 'register', 'registerResult']; // no redirect whitelist

router.beforeEach((to, from, next) => {
    NProgress.start(); // start progress bar
    to.meta && (typeof to.meta.title !== 'undefined' && setDocumentTitle(`${to.meta.title} - ${domTitle}`));
    //  是否有鉴权 token
    if (Vue.ls.get(ACCESS_TOKEN)) {
          /* 已授权情况下访问登录页面 跳转到首页 */
        if (to.path === '/user/login') {
            next({ path: '/timetable/calendar' });
            NProgress.done()
        } else {
            /* 当前登录用户是否有 角色 */
            if (store.getters.roles.length === 0) {
                // 重新获取用户信息 更新role
                store.dispatch('GetInfo').then(res => {
                    const roles = res.role;
                    store.dispatch('GenerateRoutes', { roles }).then(() => {
                        // 根据roles权限生成可访问的路由表
                        // 动态添加可访问路由表
                        const redirect = decodeURIComponent(from.query.redirect || to.path);
                        if (to.path === redirect) {
                            // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
                            next({ ...to, replace: true })
                        } else {
                            // 跳转到目的路由
                            next({ path: redirect })
                        }
                    })
                }).catch(() => {
                    notification.error({
                        message: '错误',
                        description: '请求用户信息失败，请重试'
                    });
                    store.dispatch('Logout').then(() => {
                        next({ path: '/user/login', query: { redirect: to.fullPath } })
                    })
                })
            } else {
                next()
            }
        }
    } else {
        if (whiteList.includes(to.name)) {
            // 在免登录白名单，直接进入
            next()
        } else {
            next({ path: '/user/login', query: { redirect: to.fullPath } })
            NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
        }
    }
});

router.afterEach(() => {
    NProgress.done() // finish progress bar
});
